How to use "cheerful" in a sentence

"Oliver! Here I am!" a loud, cheerful voice says

"Hey, you're cheerful," Cham remarked

Everyone tried to be happy and cheerful, but then it was all over

"We're ready for visitors!" called a cheerful voice

Maxim seemed all right again now, happy and cheerful

All things considered, she felt reasonably good, even cheerful to a degree

If I really believed there was even the tiniest chance of anything like that, would I be standing here so cheerful?"

I noticed that Dr Haydock was looking very cheerful this morning

Archer is a poacher, but friendly and cheerful

'But of course you are feeling very cheerful.' She paused by the window

Then we heard him scream and the sound of long and cheerful calling from the Martians.